RU2016109233A - TONER PARTICLES CONTAINING COMPLEX POLYESTER AND STYROLACRYLATE POLYMERS, WITH A COMPOSITE POLYESTER Shell - Google Patents

TONER PARTICLES CONTAINING COMPLEX POLYESTER AND STYROLACRYLATE POLYMERS, WITH A COMPOSITE POLYESTER Shell Download PDF

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RU2016109233A
RU2016109233A RU2016109233A RU2016109233A RU2016109233A RU 2016109233 A RU2016109233 A RU 2016109233A RU 2016109233 A RU2016109233 A RU 2016109233A RU 2016109233 A RU2016109233 A RU 2016109233A RU 2016109233 A RU2016109233 A RU 2016109233A
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particles
shell
toner
core
styrene acrylate
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RU2016109233A
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Russian (ru)
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RU2016109233A3 (en
RU2707759C2 (en
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Дэвид Дж.В. ЛОУТОН
Ричард П.Н. ВЕРЕГИН
Гуерино Дж. САКРИПАНТЕ
Мелани Линн ДЭВИС
Эдвард Дж. Шварц
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Зирокс Корпорейшн
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Publication of RU2707759C2 publication Critical patent/RU2707759C2/en

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/093—Encapsulated toner particles
    • G03G9/09307—Encapsulated toner particles specified by the shell material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0802—Preparation methods
    • G03G9/0808—Preparation methods by dry mixing the toner components in solid or softened state
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0802—Preparation methods
    • G03G9/0804—Preparation methods whereby the components are brought together in a liquid dispersing medium
    • G03G9/0806—Preparation methods whereby the components are brought together in a liquid dispersing medium whereby chemical synthesis of at least one of the toner components takes place
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0802—Preparation methods
    • G03G9/081—Preparation methods by mixing the toner components in a liquefied state; melt kneading; reactive mixing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0819—Developers with toner particles characterised by the dimensions of the particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0825—Developers with toner particles characterised by their structure; characterised by non-homogenuous distribution of components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0827—Developers with toner particles characterised by their shape, e.g. degree of sphericity
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/087—Binders for toner particles
    • G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08706—Polymers of alkenyl-aromatic compounds
    • G03G9/08708—Copolymers of styrene
    • G03G9/08711—Copolymers of styrene with esters of acrylic or methacrylic acid
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/087—Binders for toner particles
    • G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08726—Polymers of unsaturated acids or derivatives thereof
    • G03G9/08733—Polymers of unsaturated polycarboxylic acids
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/087—Binders for toner particles
    • G03G9/08742—Binders for toner particles comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08755—Polyesters
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/093—Encapsulated toner particles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/093—Encapsulated toner particles
    • G03G9/09307—Encapsulated toner particles specified by the shell material
    • G03G9/09314—Macromolecular compounds
    • G03G9/09321—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/093—Encapsulated toner particles
    • G03G9/0935—Encapsulated toner particles specified by the core material
    • G03G9/09357—Macromolecular compounds
    • G03G9/09364—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/093—Encapsulated toner particles
    • G03G9/0935—Encapsulated toner particles specified by the core material
    • G03G9/09357—Macromolecular compounds
    • G03G9/09371—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/093—Encapsulated toner particles
    • G03G9/0935—Encapsulated toner particles specified by the core material
    • G03G9/09378—Non-macromolecular organic compounds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/093—Encapsulated toner particles
    • G03G9/09392—Preparation thereof
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto

Claims (20)

1. Способ получения тонера, включающий первоначальную агрегацию по меньшей мере одного сложного полиэфирного латекса и по меньшей мере одного стиролакрилатного латекса, и необязательно восковой дисперсии, и необязательно пигментной дисперсии с получением ядра, 1. A method of producing a toner, comprising the initial aggregation of at least one polyester latex and at least one styrene acrylate latex, and optionally a wax dispersion, and optionally a pigment dispersion to form a core, где частицы стиролакрилатного латекса агрегированы на ядре с образованием оболочки, и where the styrene acrylate latex particles are aggregated on the core to form a shell, and где полученные агрегированные частицы дополнительно подвергают непрерывному процессу коалесценции, включающему:where the obtained aggregated particles are additionally subjected to a continuous coalescence process, including: нагревание агрегированных частиц до первой температуры выше температуры их стеклования в первом теплообменнике с получением коалесцированных частиц;heating aggregated particles to a first temperature above their glass transition temperature in a first heat exchanger to produce coalesced particles; охлаждение коалесцированных частиц до второй температуры ниже температуры стеклования через определенное время выдерживания; иcooling the coalesced particles to a second temperature below the glass transition temperature after a certain holding time; and выделение охлажденных коалесцированных частиц на выходе; где округлость агрегированных частиц составляет от примерно 0,900 до примерно 0,940, и округлость частиц в суспензии коалесцированных частиц повышена до значения от примерно 0,940 до примерно 0,999, и где полученный тонер дополнительно содержит гибридную композицию со стирол/акрилатом и сложным полиэфиром.the release of cooled coalesced particles at the exit; where the roundness of the aggregated particles is from about 0.900 to about 0.940, and the roundness of the particles in the suspension of coalesced particles is increased to from about 0.940 to about 0.999, and where the resulting toner further comprises a hybrid composition with styrene / acrylate and polyester.
2. Способ по п. 1, отличающийся тем, что первая температура непрерывной коалесценции составляет от примерно 100 °С до примерно 150 °С.
2. The method according to p. 1, characterized in that the first continuous coalescence temperature is from about 100 ° C to about 150 ° C.
3. Способ по п. 1, отличающийся тем, что время выдерживания при непрерывной коалесценции составляет от примерно 0,5 минут до примерно 5 минут.
3. The method according to p. 1, characterized in that the aging time with continuous coalescence is from about 0.5 minutes to about 5 minutes.
4. Тонерная композиция, содержащая:
4. Toner composition containing: тонерные частицы, имеющие ядро;toner particles having a core; и оболочку, расположенную поверх ядра, где указанное ядро содержит по меньшей мере первый сложный полиэфирный полимер и по меньшей мере первый стиролакрилатный полимер; и необязательно восковую дисперсию, и необязательно пигментную дисперсию, и при этом указанная оболочка дополнительно содержит по существу второй стиролакрилатный полимер.and a shell located on top of the core, where the specified core contains at least a first complex polyester polymer and at least a first styrene acrylate polymer; and optionally a wax dispersion, and optionally a pigment dispersion, and wherein said shell further comprises a substantially second styrene acrylate polymer.
5. Тонерная композиция по п. 4, отличающаяся тем, что первый и второй стиролакрилатные полимеры являются одинаковыми.
5. The toner composition according to claim 4, characterized in that the first and second styrene acrylate polymers are the same.
6. Тонерная композиция по п. 4, отличающаяся тем, что первый и второй стиролакрилатные полимеры являются различными.
6. The toner composition according to claim 4, characterized in that the first and second styrene acrylate polymers are different.
7. Тонерная композиция по п. 4, отличающаяся тем, что второй стиролакрилатный полимер присутствует в оболочке тонерных частиц в количестве до примерно 95 масс. % полимеров оболочки.
7. The toner composition according to p. 4, characterized in that the second styrene acrylate polymer is present in the shell of the toner particles in an amount up to about 95 mass. % polymers of the shell.
8. Тонерная композиция по п. 4, отличающаяся тем, что первый сложный полиэфирный полимер присутствует в ядре тонерных частиц в количестве от примерно 5 масс. % до примерно 95 масс. % полимеров оболочки.
8. The toner composition according to p. 4, characterized in that the first complex polyester polymer is present in the core of the toner particles in an amount of from about 5 mass. % to about 95 wt. % polymers of the shell.
9. Тонерная композиция по п. 4, отличающаяся тем, что первый стиролакрилатный полимер присутствует в ядре тонерных частиц в количестве от примерно 5 масс. % до примерно 95 масс. % полимеров оболочки.
9. The toner composition according to claim 4, characterized in that the first styrene acrylate polymer is present in the core of the toner particles in an amount of from about 5 mass. % to about 95 wt. % polymers of the shell.
10. Способ получения тонерной композиции, включающий:
10. A method of obtaining a toner composition, including: получение тонерных частиц, имеющих ядро и оболочку, где указанное получение дополнительно включаетobtaining toner particles having a core and a shell, where the specified receipt further includes коалесценцию тонерных частиц в непрерывном процессе коалесценции, где указанное ядро содержит по меньшей мере один сложный полиэфирный полимер и по меньшей мере один стиролакрилатный полимер, и необязательно восковую дисперсию, и необязательно пигментную дисперсию; и coalescence of toner particles in a continuous coalescence process, wherein said core contains at least one polyester polymer and at least one styrene acrylate polymer, and optionally a wax dispersion, and optionally a pigment dispersion; and дополнительную агрегацию частиц стиролакрилатного латекса на ядре с получением оболочки; где тонерные частицы имеют диапазон спекания от примерно 100 °С до примерно 240 °С. additional aggregation of styrene acrylate latex particles on the core to form a shell; where the toner particles have a sintering range from about 100 ° C to about 240 ° C.
RU2016109233A 2015-04-01 2016-03-15 Toner particles containing polyester and styrene acrylate polymers, with shell from polyester RU2707759C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/676,757 US9383666B1 (en) 2015-04-01 2015-04-01 Toner particles comprising both polyester and styrene acrylate polymers having a polyester shell
US14/676,757 2015-04-01

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RU2016109233A true RU2016109233A (en) 2017-09-20
RU2016109233A3 RU2016109233A3 (en) 2019-09-27
RU2707759C2 RU2707759C2 (en) 2019-11-29

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US (1) US9383666B1 (en)
JP (1) JP2016194679A (en)
KR (1) KR102357649B1 (en)
CN (1) CN106054548B (en)
BR (1) BR102016005764A2 (en)
CA (1) CA2923261C (en)
DE (1) DE102016204638A1 (en)
RU (1) RU2707759C2 (en)

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US11048184B2 (en) * 2019-01-14 2021-06-29 Xerox Corporation Toner process employing dual chelating agents
JP7333250B2 (en) 2019-11-25 2023-08-24 花王株式会社 Method for producing toner for electrostatic charge image development

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